By virtue of written letter of authority PCSUPT DENNIS A SIERVO, Chief, HRAO represented the Chief PNP in the signing of Memorandum of Understanding on the Protection and Promotion of Human Rights and International Humanitarian Law together with Mr. Martin Thalmann, Head of Delegation, International Committee of the Red Cross on January 29, 2019 at HRAO Conference Room, Camp BGen Rafael T Crame, Quezon City.